<?php

namespace app\model;

use app\model\mall\SpuLimitTime;
use think\model\relation\HasMany;
use think\model\relation\HasOne;

/**
 * 购物车
 *
 * Class ShoppingCart
 * @package app\model
 */
class ShoppingCart extends Base
{
    public function spu(): HasOne
    {
        return $this->hasOne(Spu::class, 'id', 'spu_id');
    }

    public function limitTime(): HasOne
    {
        return $this->hasOne(SpuLimitTime::class, 'id', 'spu_activity_id');
    }

    public function sku(): HasOne
    {
        return $this->hasOne(Sku::class, 'id', 'sku_id');
    }

//    public function skus(): HasMany
//    {
//        return $this->hasMany(Sku::class, 'spu_id', 'spu_id');
//    }

//    public function activitySkus(): HasMany
//    {
//        return $this->hasMany(Sku::class, 'spu_activity_id', 'spu_activity_id');
//    }
}